package demo1;

import java.util.Arrays;

class Student implements Comparable<Student>{
    public String name;
    public int age;
    public Student(String name, int age) {
        this.name = name;
        this.age = age;
    }

    @Override
    public String toString() {
        return "Student{" +
                "name='" + name + '\'' +
                ", age=" + age +
                '}';
    }

    //重写接口里的方法
    public int compareTo(Student o) {
        return this.age - o.age;
    }
}

class A {

}

public class Test {

    public static void mySort(Comparable[] comparable) {
        /*
        使用冒泡排序模拟实现
         */
        for (int i = 0; i < comparable.length-1; i++) {
            for (int j = 0; j < comparable.length-1-i; j++) {
                if(comparable[j].compareTo(comparable[j+1])>0) {
                    Comparable temp = comparable[j];
                    comparable[j] = comparable[j+1];
                    comparable[j+1] = temp;
                }
            }
        }
    }

    public static void main(String[] args) {
        Student[] students=new Student[3];
        students[0]=new Student("zhangsan",3);
        students[1]=new Student("lisi",2);
        students[2]=new Student("wangwu",1);

        mySort(students);
        System.out.println(Arrays.toString(students));


    }

    public static void main2(String[] args) {
        Student[] students=new Student[3];
        students[0]=new Student("zhangsan",3);
        students[1]=new Student("lisi",2);
        students[2]=new Student("wangwu",1);

        Arrays.sort(students);
        System.out.println(Arrays.toString(students));
    }
    public static void main1(String[] args) {
        Student student1=new Student("zhangsan",10);
        Student student2=new Student("lisi",12);
        /*if(student1>student2) {

        }*/
        if(student1.compareTo(student2)>0) {
            System.out.println("st1>st2");
        }else {
            System.out.println("st1<=st2");
        }
//        Comparable comparable1=new Student("zhangsan",10);

    }

}
